Deb, the prime accused within the fake Covid-19 vaccine case, and his four arrested associates were taken to the office during the search.
"We have seized several documents and other materials from the office which can help us in our investigation", the officer said.
28-year-old Debanjan Deb was arrested on Midsummer Eve for masquerading because the joint commissioner of the Kolkata Municipal Corporation and operating a dubious vaccination camp in Kasba, where actor and Trinamool Congress MP Mimi Chakraborty also took a jab.
Chakraborty, who was invited to attend the camp, had said she became suspicious about the vaccination process as she didn't receive the customary SMS that's sent to people after they're administered a dose, and informed the police.
Eight of Deb's associates are arrested thus far and cases against them range from cheating to aim to murder.